The researchers call for experimental studies to further examine the relationship between vitamin D, bone mineral density, and BPPV. Source. Talaat H., et al. Low bone mineral density and vitamin D deficiency in patients with benign positional paroxysmal vertigo. European Archives of Oto-Rhino-Laryngology, 2014.
Columnar epithelium forms the lining of the stomach and intestines. Some columnar cells are specialized for sensory reception such as in the nose, ears and the taste buds of the tongue. Goblet cells (unicellular glands) are found between the columnar epithelial cells of the duodenum.
Epithelial tissue, or epithelium, is comprised of sheets of tightly packed cells that coat or line the inner part of hollow organs like the blood vessels, heart, liver, and stomach. Epithelial tissue cells are continually dividing for replacements of old, worn, or damaged cells.